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Diff for /www/70.html between version 1.56 and 1.57

version 1.56, 2021/10/03 09:55:15

version 1.57, 2021/10/03 13:31:45

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<li>Various kernel improvements:

<ul>

<li>Unlocked the top part of the VM fault handler on i386.

<li>Enabled <a href="https://man.openbsd.org/dt.4">dt(4)</a> for GENERIC kernels on amd64, arm64, i386, sparc64, and powerpc64.

<li>Added kprobes provider for <a href="https://man.openbsd.org/dt.4">dt(4)</a>.

<li>Implemented < and > operators in <a href="https://man.openbsd.org/btrace.8">btrace(8)</a> filters.

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<li>VMM/VMD improvements

<ul>

<li>Unlocked the top part of the VM fault handler on i386.

<li>Added a theoretical limit of 512 to the number of allocated vcpus

in <a href="https://man.openbsd.org/vmm.4">vmm(4)</a>.

<li>Fixed <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> vcpu locking issues.

<li>Fixed an mbuf leak in <a href="https://man.openbsd.org/xnf.4">xnf(4)</a>.

<li>Added <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> support for variable length vionet rx descriptor chains.

<li>Prevented stack overflow in <a href="https://man.openbsd.org/vmd.8">vmd(8)</a> due to large dhcp packets on local interfaces.

<li>Allowed locking of a randomly assigned lladdr in <a href="https://man.openbsd.org/vmd.8">vmd(8)</a>.

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href="https://man.openbsd.org/vmd.8">vmd(8)</a> when a wait is

canceled and restarted, allowing multiple waiting clients.

<li>Added protections against guests with bad virtio drivers to <a href="https://man.openbsd.org/vmd.8">vmd(8)</a>

<li>Unlocked the kernel in <a href="https://man.openbsd.org/vmm.4">vmm(4)</a> ioctl handlers and introduced vcpu locks</a>

</ul>

<li>Various new userland features:

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<li>Worked around x86 machines that advertise the "hardware reduced" ACPI feature, advertise S4 and S5 support, but fail to populate the SLEEP_CONTROL_REG and SLEEP_STATUS_REG descriptions in the FADT. This fixed the ASUS Zenbook 14.

<li>Added quirk to enable ThinkPad X1 Extreme 1 speakers and Dolby Atmos in <a href="https://man.openbsd.org/azalia.4">azalia(4)</a>.

<li>Fixed <a href="https://man.openbsd.org/pchgpio.4">pchgpio(4)</a> issues with dead touchpads after resume.

<li>Fixed an mbuf leak in <a href="https://man.openbsd.org/xnf.4">xnf(4)</a>.

</ul>

<li>New or improved network hardware support: